WEB2PYTM WEB FRAMEWORK
Free open source full-stack framework for rapid development of fast, scalable, secure and portable database-driven web-based applications. Written and programmable in Python. LGPLv3 License. Current version: 2.2.1 (2012-10-21 16:57:04) stable
Everything you need in one package including fast multi-threaded web server, SQL database and web-based interface. No third party dependencies but works with third party tools.
Create, modify, deploy and manage application from anywhere using your browser. One web2py instance can run multiple web sites using different databases. Try the interactive demo.